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目的评价尿道下裂术后延长留置尿管时间在减少尿道下裂术后尿瘘中的作用。方法 106例采用Duckett尿道成形术(59例)及Snodgrasss尿道成形术(47例)治疗尿道下裂患儿,术后采用双盲法分为A组和B组,每组53例。A组术后2周拔除导尿管,B组术后6周拔除导尿管,比较两组拔管后尿瘘的发生情况。结果术后随访1年,A组术后出现尿瘘8例,B组术后出现尿瘘2例,两组比较差异有统计学意义(P<0.05)。结论尿道下裂术后6周拔除尿管较术后2周拔出尿管,可有效地减少尿瘘的发生。
Objective To evaluate the effect of prolonging the length of indwelling urethra after hypospadias surgery in reducing urinary fistula after hypospadias operation. Methods 106 patients with hypospadias treated by Duckett urethroplasty (59 cases) and Snodgrasss urethroplasty (47 cases) were divided into group A and group B with 53 cases in each group. In group A, the catheter was removed two weeks after operation. In group B, the catheter was removed 6 weeks after operation. The incidence of urinary fistula after extubation was compared between two groups. Results One year after the operation, there were 8 cases of urinary fistula in group A and 2 cases of fistula in group B after operation. The difference between the two groups was statistically significant (P <0.05). Conclusion 6 weeks after hypospadias removal of the catheter than 2 weeks after removal of the catheter, which can effectively reduce the incidence of urinary fistula.